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bellari mp105 mod
Old 2nd February 2007
  #1
Gear Maniac
 
🎧 15 years
bellari mp105 mod

The Burr Brown OPA627AP Op Amp - Will this op-amp work in/improve my bellari mp105? i've already changed the tube. the black lion modification specifies an op-amp that you can't buy any more. I'm also thinking of upgrading the pots to some that are correctly rated for the circuit - can anyone suggest some that will fit in the case/be compatible with the pcb wiring and are available to the uk?
Old 22nd June 2009
  #2
Here for the gear
 
🎧 15 years
anyone have the schematic handy , looking for another person
with a tube bias question for lower plate voltages

tia gboboski at shaw.ca
Old 2nd October 2009 | Show parent
  #3
Here for the gear
 
🎧 10 years
Check out this thread. I have listed all the parts suggested by Black Lion and where to find them. They are all still available.

https://www.gearslutz.com/board/so-mu...p-105-mod.html
Old 5th October 2009 | Show parent
  #4
Gear Guru
The AD826 is a very dirty opamp. I stopped using them back in 1995.

Jim Williams
Audio Upgrades
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